# HG changeset patch
# User Christian Wimmer <christian.wimmer@oracle.com>
# Date 1431645039 25200
# Node ID 010d3e1099c39b349927e455fb23654c94eb2600
# Parent  cb7bc65fdc0bdba40ad769c8f3e7d2f324bab5a0
Allow snippets that do not have a return value

diff -r cb7bc65fdc0b -r 010d3e1099c3 graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java	Thu May 14 16:10:20 2015 -0700
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java	Thu May 14 16:10:39 2015 -0700
@@ -1098,11 +1098,12 @@
             // rewire outgoing memory edges
             replaceMemoryUsages(replacee, new MemoryOutputMap(replacee, duplicates));
 
-            ReturnNode ret = (ReturnNode) duplicates.get(returnNode);
-            MemoryMapNode memoryMap = ret.getMemoryMap();
-            ret.setMemoryMap(null);
-            memoryMap.safeDelete();
-
+            if (returnNode != null) {
+                ReturnNode ret = (ReturnNode) duplicates.get(returnNode);
+                MemoryMapNode memoryMap = ret.getMemoryMap();
+                ret.setMemoryMap(null);
+                memoryMap.safeDelete();
+            }
             if (memoryAnchor != null) {
                 // rewire incoming memory edges
                 MemoryAnchorNode memoryDuplicate = (MemoryAnchorNode) duplicates.get(memoryAnchor);